#include<bits/stdc++.h>
using namespace std;
int main(){
  freopen("duel.in","r",stdin);
  freopen("duel.out","w",stdout);
  int n;
  scanf("%d",&n);
  int a[n+1];
  for(int i=1;i<=n;i++)
    scanf("%d",&a[i]);
  sort(a+1,a+n+1);
  int l=1,ans=n;
  for(int i=2;i<=n;i++)
    if(a[i]>a[l])
      ans--,l++;
  printf("%d",ans);
  fclose(stdin);
  fclose(stdout);
  return 0;
}
